bug#74637: [PATCH] Make view-read-only behave like view-file

[Visuwesh]

[செவ்வாய் டிசம்பர் 03, 2024] Eli Zaretskii wrote:

>> From: Björn Bidar <bjorn.bidar@thaodan.de>
>> Cc: 74637@debbugs.gnu.org
>> Date: Tue, 03 Dec 2024 12:06:11 +0200
>> 
>> >> > That's an incompatible behavior change.  Is that justified?  How can
>> >> > we be sure that everyone agrees with your interpretation of this mode?
>> >> 
>> >> All other view-file like modes behave like this, you view the file and
>> >> leave the file with q.
>> >
>> > That doesn't change the fact that view-mode didn't behave like that,
>> > until now.
>> 
>> View-mode isn't change outside of the specific situation of opening a
>> file which isn't writable.
>
> It's still a significant change.  Killing a buffer is not a minor
> think, and restoring it is not always easy, or even possible (e.g.,
> the file could have been deleted in the meantime).
>
> My opinion is that if we install this, we need to provide some way of
> getting the previous behavior back, for those who may want it.
>
> Stefan and Andrea, WDYT?

I am neither Stefan nor Andrea: there have been a number of instances
where Emacs not eagerly killing buffers has saved accidentally or
prematurely deleted files on my end.  I would be opposed to a change
that kills the buffer on exiting view-mode entered due to
view-read-only=t to avoid potential data loss.